What the two terms describe
Saving means setting money aside rather than spending it. Investing puts money into an asset with the expectation of a financial return, such as income or a change in value. Saving and investing can overlap in a financial plan, but the arrangements and risks need to be understood individually.
Ask about access and uncertainty
How quickly money can be accessed is often called liquidity. That is different from how much it might earn. Account terms, price changes, withdrawal conditions, and the ability to lose money can affect the comparison. Deposit protections and account rules differ by product and jurisdiction.
Common misunderstanding: every amount set aside behaves alike
A cash balance, a restricted deposit, and an investment with a market price can have different conditions. The label alone is not enough. Identify what the person holds, what the terms say, and whether the value can change before interpreting an example.
Worked example
Access and value are separate questions
In a fictional example, one account allows access to a stated cash balance, while another holding can be sold at a market price that changes. Knowing that both began with 100 does not establish that both will provide 100 at the same future time. This comparison explains the questions to ask, not which arrangement to choose.